Answer:
Sedimentary rock
Explanation:
All fossils are sedimentary rock. When an organism dies, layers of sediments pile on top of the organism, the sediments harden to become sedimentary rock. And for this reason, fossils cannot be igneous or metamorphic rock.
Answer:
If your cartilage, muscles, or tendons put too much pressure on a nerve, it might not be able to work right. This can cause numbness. An injury or overuse can cause a pinched nerve. Sometimes it's due to health problems like arthritis, a narrowing of the spaces between the bones in your spine, or a tumor on the spine.
hope this answer helps you.....
D.lets things enter or exit the cell
